Inventor

Tateyo Sasaki

Inventor

Takaishi, JP

Overview

17→

Patents

1984–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%

C08LCompositions of macromolecular compounds15%

C08JWorking-up13%

B29CShaping or joining of plastics11%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Y10TTechnical subjects covered by former us classification10%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles3%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%

PatentTitleYear

6,255,425'Syndiotactic polypropylene copolymer and extruded polypropylene articles'2001 5,840,389'Transparent impact-resistant molded articles'1998 5,759,469'Method for preparing molded articles of syndiotactic polypropylene'1998 5,637,367'Transparent impact-resistant molded articles'1997 5,591,817'Molded articles of syndiotactic polypropylene and method for preparing same'1997 5,534,595'Syndiotactic propylene copolymer, preparation of the same, and resin composition containing the same'1996 5,428,127'Preparation process of syndiotactic polyproplene'1995 5,278,216'Syndiotactic polypropylene resin composition'1994 5,266,641'Butene-1 copolymers and resin compositions containing the same'1993 5,260,395'Method for molding syndiotactic polypropylene and molded article'1993 5,232,992'Molded articles of syndiotactic polypropylene and method for preparing same'1993 5,206,324'Butene-1 copolymer and resin composition containing the same'1993 5,200,131'Method for molding syndiotactic polypropylene'1993 5,169,924'Copolymer of propylene and butene-1'1992 5,157,092'Polymer of 4-methylpentene-1'1992 5,132,157'Stretched films of polyproplene'1992 4,439,567'Process for injection molding polyolefin resin compositions'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1998Patents assigned to MITSUI TOATSU CHEMICALS (15)· patent assignee history

1984Based in Hiroshima, JP· patent location history

1992–1998Based in Takaishi, JP· patent location history

1992–2001Based in Osaka, JP· patent location history

1997–1998Based in Kishiwada, JP· patent location history

1998–2001Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI TOATSU CHEMICALS	15	1984–1998
MITSUI CHEMICALS INC	2	1998–2001

Locations

Location	Patents	Span
Takaishi, JP	9	1992–1998
Osaka, JP	5	1992–2001
Kishiwada, JP	2	1997–1998
Hiroshima, JP	1	1984